26346655340 has 12 divisors (see below), whose sum is σ = 55327976256. Its totient is φ = 10538662128.

The previous prime is 26346655327. The next prime is 26346655373. The reversal of 26346655340 is 4355664362.

It is a junction number, because it is equal to n+sod(n) for n = 26346655291 and 26346655300.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 658666364 + ... + 658666403.

It is an arithmetic number, because the mean of its divisors is an integer number (4610664688).

Almost surely, 2^26346655340 is an apocalyptic number.

26346655340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26346655340 is an abundant number, since it is smaller than the sum of its proper divisors (28981320916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26346655340 is a wasteful number, since it uses less digits than its factorization.

26346655340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317332776 (or 1317332774 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 44.

The spelling of 26346655340 in words is "twenty-six billion, three hundred forty-six million, six hundred fifty-five thousand, three hundred forty".